EP1079936B1 - Diffuseur de produits liquides sous forme d'aerosols - Google Patents

Diffuseur de produits liquides sous forme d'aerosols Download PDF

Info

Publication number
EP1079936B1
EP1079936B1 EP99920910A EP99920910A EP1079936B1 EP 1079936 B1 EP1079936 B1 EP 1079936B1 EP 99920910 A EP99920910 A EP 99920910A EP 99920910 A EP99920910 A EP 99920910A EP 1079936 B1 EP1079936 B1 EP 1079936B1
Authority
EP
European Patent Office
Prior art keywords
chamber
atomiser according
push button
pump
jet tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99920910A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1079936A1 (fr
Inventor
Jean-Louis Bougamont
Hervé Lompech
Pierre Dumont
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Silgan Dispensing Systems Le Treport SAS
Original Assignee
Rexam Sofab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rexam Sofab filed Critical Rexam Sofab
Publication of EP1079936A1 publication Critical patent/EP1079936A1/fr
Application granted granted Critical
Publication of EP1079936B1 publication Critical patent/EP1079936B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1087—Combination of liquid and air pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B05B11/1015—Piston pumps actuated without substantial movement of the nozzle in the direction of the pressure stroke
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1097—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle with means for sucking back the liquid or other fluent material in the nozzle after a dispensing stroke

Definitions

  • the present invention relates to a diffuser for liquid products in the form of aerosols.
  • Diffusers of the type already exist comprising a pump mounted in a sealed manner in the neck of a container by means of a fixing sleeve and provided, on the one hand, with an internal metering chamber and, on the other hand , a spray tube which projects outside where it is engaged in a push button.
  • This nozzle tube is capable of being supplied by the metering chamber and of communicating with a transverse ejection duct equipped with a spray nozzle.
  • the ejection duct and / or the nozzle may be blocked by the dry residue which prohibits thus any subsequent dissemination operation.
  • the present invention aims to solve these technical problems satisfactorily.
  • a diffuser of the preceding type comprising a pump engaged in a sealed manner in the neck of a container and provided, on the one hand, with an internal metering chamber and, on the other hand, a nozzle tube which projects outside where it is engaged in a push button, said nozzle tube being capable of being supplied by the metering chamber and of communicating with a transverse conduit of ejection equipped with a spray nozzle, characterized in that it comprises, upstream of the ejection duct, an external delivery or suction chamber of a mixture of air and liquid product into which the tube opens nozzle and which contains a piston integral with the push button.
  • said external delivery chamber coaxially surrounds the nozzle tube.
  • the underside of the push-button has a cylindrical bore with grooved walls intended to cover the end part of the spray tube while allowing the passage of the product towards the external delivery chamber.
  • said piston is carried by the lower edge of a cylindrical end piece which is preferably formed from the wall of the lower bore of the push button.
  • said external delivery chamber is delimited laterally by the external wall of the spray tube, on the one hand, and by the internal wall of a central cylindrical sleeve carried by the fixing sleeve of the pump, d 'somewhere else.
  • the bottom of the delivery chamber consists of a part of the upper face of a flange bearing axially on the pump and transversely on the external wall of the nozzle tube.
  • the flange forms a connecting spacer between the side wall of the sleeve and the sleeve and, preferably, the ejection conduit is formed in the thickness of the flange.
  • the inlet orifice of the ejection duct is located in the lower part of the external chamber.
  • said piston is formed of a planar annular face with an inclined peripheral edge formed if necessary, of a flexible lip.
  • the operation of the diffuser of the invention is optimized when the volume of said delivery chamber is equal to that of the metering chamber of the pump.
  • the diffuser comprises a locking sleeve externally furnished with a hoop provided, on the one hand, with an orifice coming opposite the spray nozzle and, on the other hand, with a shoulder coming to bear on the upper edge of the sleeve and forming a high stop for the push button.
  • the push button has a peripheral retaining ring trapped under the shoulder of the hoop.
  • the underside of the sleeve is provided with a groove forming a vent for the pump.
  • this groove is formed on the underside of the flange.
  • the diffuser of the invention couples a metering chamber, internal to the pump, with a delivery and mixing chamber, external to said pump.
  • This coupling makes it possible to compensate for the pressure losses due to the path of the liquid product from the container to the outlet of the nozzle and thus to ensure a more energetic spraying rate.
  • the mixing of the product with the air contained in the external delivery chamber is carried out under pressure and thus leads to better homogenization of the sprayed dose.
  • the raising of the push button under the action of the pump mechanism creates a vacuum in the external chamber which results in a suction of the fraction of the product still in the ejection duct and / or in the nozzle.
  • the fixed position of the nozzle makes it possible to cover the pump with the hoop and, moreover, to obtain greater precision of the jet.
  • the diffuser shown in Figures 1a to 1c comprises a pump 1 whose body 11 containing the mechanism (not shown) is sealingly engaged in the neck C of a container of liquid product P intended to be dispensed in the form of a aerosol (see figelb).
  • the upper part of the body 11 of the pump is fitted inside the neck C with a radial tightening and is possibly locked in this position by cooperation of the latching elements 2b of the skirt 2a of a socket 2 with the rim of the C-neck.
  • Another embodiment consists in fixing the pump body, the diameter of which is less than that of the neck of the container, by sealing the socket on said neck.
  • the body 11 traditionally contains an internal metering chamber and a piston and spring mechanism cooperating with intake and exhaust valves (not shown).
  • the internal metering chamber opens, in the open position of the pump, into a nozzle tube 10, the lower part of which is integral with the piston of the pump and which projects outside the container where it is engaged in a button. pusher 3 possibly removable.
  • the nozzle tube 10 is therefore capable of being supplied by the metering chamber and of communicating, moreover, with a transverse ejection conduit 21 equipped with a spray nozzle 22, by example of the vortex type (such as a MICROMIST nozzle, registered trademark SOFAB).
  • a transverse ejection conduit 21 equipped with a spray nozzle 22 by example of the vortex type (such as a MICROMIST nozzle, registered trademark SOFAB).
  • the diffuser of the invention further comprises, upstream of the ejection duct 21, a chamber 20 for discharging or sucking a mixture of air and liquid product P into which the nozzle tube 10 opens and which contains a piston 32 integral with the push button 3.
  • the delivery chamber 20, the volume of which is variable, is produced inside the bush 2 while being located outside the pump and the container.
  • the chamber 20 here coaxially surrounds the nozzle tube 10 while communicating, moreover, with the ejection conduit 21 and the nozzle 22.
  • the underside of the push button 3 has a cylindrical bore 30 with grooved walls, intended to cover the upper end of the spray tube 10 while allowing the passage of product P towards the delivery chamber 20.
  • a groove 31 which extends diametrically on the bottom 30a and parallel to the generators on the inner side face and on either side.
  • This arrangement ensures radial tightening of the nozzle tube 10 in the bore 30 without hindering the escape of the liquid product P.
  • the piston 32 is carried by the lower edge of a cylindrical end piece 33 which projects downwards from the lower face of the push button 3.
  • the piston 32 is formed of a flat annular face with a peripheral edge inclined downward which ensures the tight and dynamic contact of the internal wall of the end piece 33.
  • the inclined edge is formed of a flexible lip .
  • the nozzle 33 thus forms and delimits the wall of the bore 30 and slides in the chamber 20 by compressing the mixture of air and liquid product P as shown in FIG. 1b.
  • the external delivery chamber 20 is delimited laterally by the external wall of the spray tube 10, on the one hand, and by the inner wall of a central cylindrical sleeve 23 carried by the sleeve 2, on the other hand.
  • the bottom of the discharge chamber 20 consists of a part of the upper face of a flange 24 which bears axially on the body 11 of the pump 1 and transversely on the external wall of the nozzle tube 10.
  • An orifice 25 is produced in the center of the sleeve 23 and through the flange 24 for the passage of the nozzle tube 10.
  • the inner edge of the orifice 25 is provided with a chamfer oriented towards the pump and ensures leaktight contact with the external wall of the tube 10 so as to prevent any leakage of the air / product mixture from the bottom of the chamber 20 during discharge.
  • the flange 24 also forms a connecting spacer between the outer skirt 2a of the sleeve 2 and the central sleeve 23.
  • the flange 24 is here made in one piece with the sleeve 2.
  • the ejection conduit 21 is formed in the thickness of the flange 24 which is then locally reinforced.
  • the underside of the flange 24 is provided with a groove 26 forming a vent for the pump 1 by communicating with the interior of the pump body as soon as it is actuated.
  • the inlet orifice 21a of the ejection duct 21 is preferably located in the lower part of the chamber 20 in order to optimize the delivery and to effect the complete expulsion of the dose of mixture from the chamber internal pump.
  • the height of the nozzle 33 is greater than or equal to that of the sleeve 23.
  • the locking sleeve 2 is externally lined with a hoop 4 made, for example, of anodized aluminum, provided, on the one hand, with an orifice 40 coming opposite the nozzle 22 and, on the other hand, a shoulder 41 bearing on the upper edge of the sleeve 2.
  • a hoop 4 made, for example, of anodized aluminum, provided, on the one hand, with an orifice 40 coming opposite the nozzle 22 and, on the other hand, a shoulder 41 bearing on the upper edge of the sleeve 2.
  • the shoulder 41 forms both a means for vertical positioning of the hoop 4 on the sleeve and a high stop for the push button 3 which has for this purpose a peripheral retaining ring 34 trapped under the shoulder 41 of the hoop .
  • This dose penetrates via the groove 31 into the external chamber 20 where, concomitantly, the air initially present is compressed by the descent of the nozzle 33 in the sleeve 23.
  • the ascent of the end piece 33 in the sleeve 23 generates a vacuum in the external chamber 20.
  • the walls, in particular of the nozzle 22, of the conduit 21 and of the chamber 20, are made with a material containing a non-migrating bactericidal agent.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Nozzles (AREA)
  • Closures For Containers (AREA)
  • Catching Or Destruction (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Cosmetics (AREA)
  • Colloid Chemistry (AREA)
EP99920910A 1998-05-26 1999-05-25 Diffuseur de produits liquides sous forme d'aerosols Expired - Lifetime EP1079936B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9806577A FR2779129B1 (fr) 1998-05-26 1998-05-26 Diffuseur de produits liquides sous forme d'aerosols
FR9806577 1998-05-26
PCT/FR1999/001214 WO1999061164A1 (fr) 1998-05-26 1999-05-25 Diffuseur de produits liquides sous forme d'aerosols

Publications (2)

Publication Number Publication Date
EP1079936A1 EP1079936A1 (fr) 2001-03-07
EP1079936B1 true EP1079936B1 (fr) 2004-04-28

Family

ID=9526693

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99920910A Expired - Lifetime EP1079936B1 (fr) 1998-05-26 1999-05-25 Diffuseur de produits liquides sous forme d'aerosols

Country Status (15)

Country Link
US (1) US6290104B1 (ja)
EP (1) EP1079936B1 (ja)
JP (1) JP2002516176A (ja)
CN (1) CN1104963C (ja)
AT (1) ATE265273T1 (ja)
AU (1) AU3831099A (ja)
BR (1) BR9910518A (ja)
CA (1) CA2333052A1 (ja)
DE (1) DE69916827T2 (ja)
DK (1) DK1079936T3 (ja)
ES (1) ES2223171T3 (ja)
FR (1) FR2779129B1 (ja)
HK (1) HK1036949A1 (ja)
PT (1) PT1079936E (ja)
WO (1) WO1999061164A1 (ja)

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US7500621B2 (en) 2003-04-10 2009-03-10 Homax Products, Inc. Systems and methods for securing aerosol systems
FR2865198B1 (fr) * 2004-01-16 2006-04-14 Valois Sas Dispositif de distribution de produit fluide
US20050161531A1 (en) 2004-01-28 2005-07-28 Greer Lester R.Jr. Texture material for covering a repaired portion of a textured surface
US7210577B2 (en) * 2004-01-30 2007-05-01 East End, Inc. Cover and media disk display apparatus for a container
CA2568148A1 (en) * 2004-05-26 2005-12-08 Peter Nardone Aerosol container with actuator secured to valve stem
US7677420B1 (en) 2004-07-02 2010-03-16 Homax Products, Inc. Aerosol spray texture apparatus for a particulate containing material
US7487893B1 (en) 2004-10-08 2009-02-10 Homax Products, Inc. Aerosol systems and methods for dispensing texture material
CN101232949B (zh) * 2005-07-29 2011-02-09 株式会社吉野工业所 排出容器
ITMI20060151A1 (it) * 2006-01-30 2007-07-31 Microspray Delta Spa Pulsante per pompetta con una sua piorzione di azionamento mobile rispetto ad una porzione avente un ugello o pastiglia di erogazione e degli elementi per il suo ritegno sulla pompetta
JP2010515766A (ja) 2007-01-16 2010-05-13 オイスターシェル エヌ．ブイ． 節足動物を死滅させるための発泡性組成物及びその使用
US8344056B1 (en) 2007-04-04 2013-01-01 Homax Products, Inc. Aerosol dispensing systems, methods, and compositions for repairing interior structure surfaces
US9382060B1 (en) 2007-04-05 2016-07-05 Homax Products, Inc. Spray texture material compositions, systems, and methods with accelerated dry times
US8580349B1 (en) 2007-04-05 2013-11-12 Homax Products, Inc. Pigmented spray texture material compositions, systems, and methods
US8333954B2 (en) * 2007-04-30 2012-12-18 Kimberly-Clark Worldwide, Inc. Foamable sanitizing compositions
US8053399B2 (en) * 2007-08-30 2011-11-08 Kimberly-Clark Worldwide, Inc. Foamable compositions
IT1395956B1 (it) * 2009-04-02 2012-11-02 Emsar Spa Dispenser.
FR2948641B1 (fr) * 2009-07-28 2016-02-12 Rexam Dispensing Sys Systeme de fixation d'une pompe de distribution sur le col d'un flacon contenant un produit fluide
DE102009045606A1 (de) 2009-10-13 2011-04-14 Henkel Ag & Co. Kgaa Sensitives Haarreinigungsmittel
DE102009045605A1 (de) 2009-10-13 2011-04-14 Henkel Ag & Co. Kgaa Versprühbares Haarreinigungsmittel
AT508916B1 (de) * 2009-11-06 2011-05-15 Hagleitner Hans Georg Spender zur abgabe von portionen eines fluids
US9156042B2 (en) 2011-07-29 2015-10-13 Homax Products, Inc. Systems and methods for dispensing texture material using dual flow adjustment
US9248457B2 (en) 2011-07-29 2016-02-02 Homax Products, Inc. Systems and methods for dispensing texture material using dual flow adjustment
US9156602B1 (en) 2012-05-17 2015-10-13 Homax Products, Inc. Actuators for dispensers for texture material
US9435120B2 (en) 2013-03-13 2016-09-06 Homax Products, Inc. Acoustic ceiling popcorn texture materials, systems, and methods
US9776785B2 (en) 2013-08-19 2017-10-03 Ppg Architectural Finishes, Inc. Ceiling texture materials, systems, and methods
USD787326S1 (en) 2014-12-09 2017-05-23 Ppg Architectural Finishes, Inc. Cap with actuator
BR112019021994B1 (pt) * 2017-04-27 2023-01-31 Aptar France Sas Cabeça dispensadora de fluido (t) para montagem em um membro dispensador
WO2019182745A1 (en) 2018-03-19 2019-09-26 Bryn Pharma, LLC Epinephrine spray formulations
CN110449286A (zh) * 2019-08-23 2019-11-15 杭州筱趣贸易有限公司 一种铝管生产过程中防氧化粉末喷涂装置
JPWO2021149331A1 (ja) * 2020-01-22 2021-07-29
CN112756130B (zh) * 2020-12-23 2023-09-08 中山市美捷时包装制品有限公司 一种外置弹簧自锁式按压泵结构

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Also Published As

Publication number Publication date
HK1036949A1 (en) 2002-01-25
AU3831099A (en) 1999-12-13
WO1999061164A1 (fr) 1999-12-02
PT1079936E (pt) 2004-09-30
BR9910518A (pt) 2001-09-04
ATE265273T1 (de) 2004-05-15
ES2223171T3 (es) 2005-02-16
FR2779129A1 (fr) 1999-12-03
CN1104963C (zh) 2003-04-09
DE69916827D1 (de) 2004-06-03
DE69916827T2 (de) 2005-03-31
CN1302232A (zh) 2001-07-04
FR2779129B1 (fr) 2000-08-18
JP2002516176A (ja) 2002-06-04
DK1079936T3 (da) 2004-08-30
US6290104B1 (en) 2001-09-18
CA2333052A1 (en) 1999-12-02
EP1079936A1 (fr) 2001-03-07

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